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Active NPI 1801969019 Individual Practitioner Female Practitioner

Dr. Yolanda G. Diaz , OD

Optometrist • San Antonio, TX

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Yolanda Diaz, OD is a certified Optometrist practicing in San Antonio, TX. With approximately 30 years of clinical experience since graduating from University Of Houston - College Of Optometry in 1996, Dr. Diaz delivers high-quality medical care to the local community at 4025 E SOUTHCROSS BLVD STE 26.

Dr. Diaz accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient problem focused exam of visual system, exam of visual field with intermediate testing, new patient problem focused exam of visual system. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

4025 E Southcross Blvd Ste 26

San Antonio, TX 782223640

Telephone 2109324922
Fax 2109320047
Associated Practice Facility / Clinic
🏢 Southern Eye Care Pllc Facility NPI 1598611741

Medicare Profile & Education

Medical School

University Of Houston - College Of Optometry

Graduation Year

1996

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Optometrist in San Antonio, TX

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
30 Yrs +13.1 yrs vs City Avg
City Avg: 16.9 Yrs
State Avg: 19.5 Yrs
Regional Practice Density
390 Specialists

Practicing in San Antonio, TX (5156 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
8.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Diaz (30 Years) 30 Yrs
San Antonio Specialty Average (16.9 Years) 16.9 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
92012 Established patient problem focused exam of visual system
13 13 $95.00 $84.18
92082 Exam of visual field with intermediate testing
12 12 $45.00 $44.23

Medical Specialties & State Licenses

CMS Verified: 2026-03-09
Optometrist Primary Specialty

NUCC Taxonomy Code: 152W00000X

State License TX 5481TG

Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.

Optometrist - Pediatrics

NUCC Taxonomy Code: 152WP0200X

State License TX 5481TG

Optometrists who work in Pediatrics are concerned with the prevention, development, diagnosis, and treatment of visual problems in children.

Optometrist - Vision Therapy

NUCC Taxonomy Code: 152WV0400X

State License TX 5481TG

Optometrists who specialize in vision therapy as a treatment process used to improve vision function. It includes a broad range of developmental and rehabilitative treatment programs individually prescribed to remediate specific sensory, motor and/or visual perceptual dysfunctions.

Optometrist - Corneal and Contact Management

NUCC Taxonomy Code: 152WC0802X

State License TX 5481TG

The professional activities performed by an Optometrist related to the fitting of contact lenses to an eye, ongoing evaluation of the cornea's ability to sustain successful contact lens wear, and treatment of any external eye or corneal condition which can affect contact lens wear.

Optometrist - Sports Vision

NUCC Taxonomy Code: 152WS0006X

State License TX 5481TG

An optometrist who offers services designed to care for unique vision care needs of athletes, which may include one of more of the following services: corrective vision care unique to a specific sporting environment; protective eyewear for the prevention of sports-related injuries; vision enhancement - which may include vision therapy and techniques to improve visual skills specific to the athlete's sport.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
0192643-01 (TX)

Secondary Practice Locations

1200 Se Military Dr, Suite 112

San Antonio, TX 782142804

Phone: 2109324922

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

11 Historical Events
🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 09, 2026

Optometrist (License #5481TG in TX)

📍
Updated Practice Location January 16, 2026

Registered at 4025 E SOUTHCROSS BLVD STE 26, SAN ANTONIO, TX 782223640 (Tel: 2109324922)

📍
Updated Business Mailing Address January 16, 2026

Registered at 4025 E SOUTHCROSS BLVD STE 26, SAN ANTONIO, TX 782223640 (Tel: 2109324922)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) January 16, 2026

Optometrist (License #5481TG in TX)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 14, 2024

Optometrist (License #5481TG in TX)

NPI Profile Active July 09, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 09, 2007

Registered at 1200 SE MILITARY DR, SUITE 112, SAN ANTONIO, TX 782142804 (Tel: 2109324922)

📍
Updated Business Mailing Address July 09, 2007

Registered at 1200 SE MILITARY DR, SUITE 112, SAN ANTONIO, TX 782142804 (Tel: 2109324922)

👤
Provider Name / Credentials Updated July 09, 2007

Recorded as YOLANDA DIAZ, O. D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 09, 2007

Optometrist (License #5481T in TX)

🟢
Initial NPI Registration & Enumeration November 16, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1801969019
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: November 16, 2006
Last Update: March 09, 2026
Sole Proprietor: Yes

Mailing Address

4025 E Southcross Blvd Ste 26

San Antonio, TX 782223640

Phone: 2109324922

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.